Finding the Fourth Proportional to 109,315.98, 150,674.58 and 86,614.92

Step by Step Solution

1. Step 1: Write the proportion equation
   109,315.98 : 150,674.58 = 86,614.92 : x
2. Step 2: Convert to fraction form
   109,315.98/150,674.58 = 86,614.92/x
3. Step 3: Cross multiply
   109,315.98x = 150,674.58 × 86,614.92
4. Step 4: Simplify right side
   109,315.98x = 13,050,666,692.73
5. Step 5: Solve for x
   x = 13,050,666,692.73/109,315.98
6. Step 6: Final answer
   x = 119,384.80